ADUM1300ARWZ-RL7 - 3-Ch 2500Vrms Digital Isolator | Analog Devices
MPN： ADUM1300ARWZ-RL7 ✓ 啟用中ADUM1300ARWZ-RL7 概覽
Digital isolators are components that transmit digital signals across an isolation barrier, providing galvanic isolation to protect sensitive circuitry from high voltages, ground loops, and noise. They are essential in industrial, medical, and communication systems where safety and signal integrity are critical. The ADUM1300 uses monolithic transformers and high-speed CMOS, offering superior performance compared to traditional optocouplers, such as higher data rates, lower power consumption, and better reliability.
Key features include a common-mode transient immunity (CMTI) of 25 kV/µs, ensuring reliable operation in noisy environments. The device supports a wide operating temperature range of -40°C to +105°C, making it suitable for industrial applications. The iCoupler technology eliminates the need for LEDs and photodiodes, simplifying design and improving long-term stability.
The ADUM1300ARWZ-RL7 is designed for general-purpose isolation in applications such as industrial fieldbus communication, isolated SPI/UART interfaces, and motor control. Its 1 Mbps data rate is adequate for many control and monitoring signals, while the 2500 Vrms isolation rating provides robust protection. The wide supply range allows interfacing between different voltage domains, such as 3.3 V and 5 V systems.
When designing with this isolator, ensure proper PCB layout with adequate creepage and clearance distances to maintain the isolation rating. Bypass capacitors should be placed close to the VDD pins on both sides. The device is RoHS compliant and lead-free, meeting environmental standards.
Typical applications include isolated data acquisition, power inverter gate drive isolation, and medical equipment where patient safety requires galvanic isolation. The ADUM1300ARWZ-RL7 is a reliable choice for engineers seeking a compact, high-performance digital isolator.
直接替換替代品，適用於 ADUM1300ARWZ-RL7 — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： ADUM1300ARWZ-RL7 （相同外形與佔位） — 差異在於 Technology.
ADUM1300ARWZ
✅ 直接替換聯絡詢價
查看資料表 →ADUM1300ARWZ-RL
✅ 直接替換📋 參考替代品（不在目錄中）
ADUM1300WSRWZ-RL
✅ 直接替換📋 參考替代品（不在目錄中）
ISO7131
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
SI8610
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
MAX14130
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
ADUM1300ARWZ-RL7 規格
| Number of Channels | 3 |
| Isolation Voltage | 2500 Vrms |
| 資料速率 | 1 Mbps |
| Common-Mode Transient Immunity (CMTI) | 25 kV/µs |
| Supply Voltage (VDD1/VDD2) | 2.7 V to 5.5 V |
| 工作溫度範圍 | -40°C to +105°C |
| 封裝 | 16-SOIC (0.295", 7.50mm Width) |
| 安裝類型 | Surface Mount |
| Channel Configuration | 3/0 (3 forward, 0 reverse) |
| Technology | iCoupler |
| RoHS 狀態 | Compliant |
| Lead-Free | Yes |
ADUM1300ARWZ-RL7 腳位配置
| 腳位 1 | VDD1 — Supply voltage, side 1 |
| 腳位 2 | GND1 — Ground, side 1 |
| 腳位 3 | VIA — Input channel A |
| 腳位 4 | VIB — Input channel B |
| 腳位 5 | VIC — Input channel C |
| 腳位 6 | GND1 — Ground, side 1 |
| 腳位 7 | NC — No connect |
| 腳位 8 | NC — No connect |
| 腳位 9 | NC — No connect |
| 腳位 10 | NC — No connect |
| 腳位 11 | GND2 — Ground, side 2 |
| 腳位 12 | VOA — Output channel A |
| 腳位 13 | VOB — Output channel B |
| 腳位 14 | VOC — Output channel C |
| 腳位 15 | GND2 — Ground, side 2 |
| 腳位 16 | VDD2 — Supply voltage, side 2 |
典型應用
ADUM1300ARWZ-RL7 適用於 6 應用s: Industrial Fieldbus Communication, Isolated SPI/UART Interface, Motor Control and Inverter Gate Drive, Medical Equipment Isolation, Isolated Power Supply Feedback, Data Acquisition and Instrumentation.
Industrial Fieldbus Communication
The ADUM1300ARWZ-RL7 provides galvanic isolation for industrial fieldbus interfaces such as RS-485, CAN, and PROFIBUS. Its 2500 Vrms isolation and 25 kV/µs CMTI ensure reliable data transmission in noisy factory environments. The 1 Mbps data rate is sufficient for most fieldbus protocols, and the wide supply range (2.7 V to 5.5 V) allows interfacing with different logic levels. By isolating the transceiver from the controller, ground loops and voltage spikes are prevented, enhancing system safety and reliability.
推薦
Isolated SPI/UART Interface
The ADUM1300ARWZ-RL7 is ideal for isolating SPI or UART communication between microcontrollers and peripheral devices. With three channels, it can isolate the clock, data, and chip-select lines, providing complete galvanic isolation. The 1 Mbps data rate supports standard SPI speeds, and the low propagation delay ensures minimal signal skew. This application is common in motor control, data acquisition, and power conversion systems where the controller and power stage must be electrically isolated.
推薦
Motor Control and Inverter Gate Drive
In motor control and inverter applications, the ADUM1300ARWZ-RL7 isolates the low-voltage control circuitry from the high-voltage power stage. Its high CMTI (25 kV/µs) ensures that fast switching transients do not corrupt the control signals. The 2500 Vrms isolation rating provides adequate protection for 230V AC or 400V DC systems. The device's wide operating temperature range (-40°C to +105°C) makes it suitable for industrial drives and HVAC systems.
推薦
Medical Equipment Isolation
The ADUM1300ARWZ-RL7 is used in medical devices to provide patient isolation, ensuring safety from electric shock. Its 2500 Vrms isolation rating meets the requirements for many medical standards. The device's low power consumption and high reliability make it suitable for battery-powered and portable medical equipment. It is commonly used in patient monitoring systems, diagnostic devices, and infusion pumps to isolate sensor signals from the main processor.
推薦
Isolated Power Supply Feedback
The ADUM1300ARWZ-RL7 can be used to isolate the feedback signal in switched-mode power supplies. By isolating the error amplifier output from the primary-side controller, the power supply can achieve better regulation and safety. The 1 Mbps data rate is sufficient for feedback signals, and the high CMTI ensures stable operation under load transients. This application is common in AC-DC converters, DC-DC converters, and battery chargers.
推薦
Data Acquisition and Instrumentation
In data acquisition systems, the ADUM1300ARWZ-RL7 isolates the analog front-end from the digital processing unit, preventing ground loops and noise. Its 2500 Vrms isolation rating protects sensitive measurement circuits from high common-mode voltages. The device's low propagation delay and high CMTI ensure accurate signal transmission. It is used in applications such as industrial process control, laboratory instruments, and environmental monitoring systems.
推薦
推薦產品摘要
工程參考資料，適用於 ADUM1300ARWZ-RL7 — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | ADUM1300ARWZ | ADUM1300ARWZ-RL | ADUM1300WSRWZ-RL | ISO7131 | SI8610 | MAX14130 |
|---|---|---|---|---|---|---|---|
| Package | 16-SOIC (0.295", 7.50mm Width) | 16-SOIC (0.295", 7.50mm Width) | 16-SOIC (0.295", 7.50mm Width) | 16-SOIC (0.295", 7.50mm Width) | 16-SOIC (0.295", 7.50mm Width) | 16-SOIC (0.295", 7.50mm Width) | 16-SOIC (0.295", 7.50mm Width) |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Texas Instruments | Skyworks Solutions | Maxim Integrated |
| Isolation Voltage | 2500 Vrms | 2500 Vrms | 2500 Vrms | 2500 Vrms | 2500 Vrms | 2500 Vrms | 2500 Vrms |
| Data Rate | 1 Mbps | 1 Mbps | 1 Mbps | 1 Mbps | 1 Mbps | 1 Mbps | 1 Mbps |
| Supply Voltage Range | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V |
| Operating Temperature | -40°C to +105°C | -40°C to +105°C | -40°C to +105°C | -40°C to +105°C | -40°C to +125°C | -40°C to +125°C | -40°C to +125°C |
| Automotive Grade | No | No | No | Yes (AEC-Q100) | No | No | No |
主要差異化特點
- iCoupler technology provides superior reliability compared to optocouplers (對比Optocoupler-based isolators)
- High CMTI of 25 kV/µs (對比ISO7131)
- Wide supply voltage range (2.7 V to 5.5 V) (對比SI8610)
設計說明
For optimal performance, place bypass capacitors (0.1 µF) close to the VDD1 and VDD2 pins on both sides of the isolator. Use a solid ground plane under the device to minimize noise. Ensure adequate creepage and clearance distances on the PCB to maintain the 2500 Vrms isolation rating.
Keep the isolation barrier clear of any copper traces or components to avoid reducing the isolation voltage. Route high-voltage and low-voltage traces on opposite sides of the PCB, and maintain a minimum distance of 8 mm between them for 2500 Vrms isolation.
Do not exceed the absolute maximum supply voltage of 7 V on either side. Ensure that the input signals do not exceed the supply voltage. Also, avoid floating unused input pins; tie them to GND or VDD as appropriate to prevent undefined states.
合規資訊
RoHS compliant per Analog Devices product page. Not AEC-Q100 qualified; automotive variant is ADUM1300WSRWZ-RL.